diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 5 | ||||
| -rw-r--r-- | test/CodeGen/X86/pr18023.ll | 29 |
2 files changed, 0 insertions, 34 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 805cc9e0f2..c126a53611 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -8692,11 +8692,6 @@ bool DAGCombiner::MergeConsecutiveStores(StoreSDNode* St) { Index = STn; break; } else if (LoadSDNode *Ldn = dyn_cast<LoadSDNode>(NextInChain)) { - if (Ldn->isVolatile()) { - Index = NULL; - break; - } - // Save the load node for later. Continue the scan. AliasLoadNodes.push_back(Ldn); NextInChain = Ldn->getChain().getNode(); diff --git a/test/CodeGen/X86/pr18023.ll b/test/CodeGen/X86/pr18023.ll deleted file mode 100644 index 1b3cf24a15..0000000000 --- a/test/CodeGen/X86/pr18023.ll +++ /dev/null @@ -1,29 +0,0 @@ -; RUN: llc < %s -mtriple x86_64-apple-macosx10.9.0 | FileCheck %s -; PR18023 - -; CHECK: movl $1, 4(%rax) -; CHECK: movl $1, 4(%rax) -; CHECK: movl $1, 4(%rax) - -@c = common global i32 0, align 4 -@a = common global [3 x i32] zeroinitializer, align 4 -@b = common global i32 0, align 4 -@.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 - -define void @func() { - store i32 1, i32* getelementptr inbounds ([3 x i32]* @a, i64 0, i64 1), align 4 - store i32 0, i32* getelementptr inbounds ([3 x i32]* @a, i64 0, i64 0), align 4 - %1 = load volatile i32* @b, align 4 - store i32 1, i32* getelementptr inbounds ([3 x i32]* @a, i64 0, i64 1), align 4 - store i32 0, i32* getelementptr inbounds ([3 x i32]* @a, i64 0, i64 1), align 4 - %2 = load volatile i32* @b, align 4 - store i32 1, i32* getelementptr inbounds ([3 x i32]* @a, i64 0, i64 1), align 4 - store i32 0, i32* getelementptr inbounds ([3 x i32]* @a, i64 0, i64 2), align 4 - %3 = load volatile i32* @b, align 4 - store i32 3, i32* @c, align 4 - %4 = load i32* getelementptr inbounds ([3 x i32]* @a, i64 0, i64 1), align 4 - %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32 %4) - ret void -} - -declare i32 @printf(i8*, ...) |